3v4l.org

run code in 150+ php & hhvm versions
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<?php $segments = preg_split ( '/x/' , '12x20'); print_r($segments);
based on 7fkIi
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 12 [1] => 20 )